Home / 3,813.36-5,260.44-2,880.24

Finding the Fourth Proportional to 3,813.36, 5,260.44 and 2,880.24

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Solution

The fourth proportional to 3,813.36, 5,260.44 and 2,880.24 is: 3,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.36 : 5,260.44 = 2,880.24 : x
  2. Step 2: Convert to fraction form
    3,813.36/5,260.44 = 2,880.24/x
  3. Step 3: Cross multiply
    3,813.36x = 5,260.44 × 2,880.24
  4. Step 4: Simplify right side
    3,813.36x = 15,151,329.71
  5. Step 5: Solve for x
    x = 15,151,329.71/3,813.36
  6. Step 6: Final answer
    x = 3,973.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.